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![<span class="search-highlight">Yangsan</span> <span class="search-highlight">Fault</span> System in the southeastern part of Korea and geological map o...]()
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![EARTHQUAKE MAGNITUDE ESTIMATES USING THE TOTAL LENGTH OF THE CENTRAL SEGMEN...]()
![QUARTZ OPTICALLY STIMULATED LUMINESCENCE (OSL), K-FELDSPAR pIRIR 225 , AND ...]()
![DOSIMETRY, EQUIVALENT DOSES, AND OPTICALLY STIMULATED LUMINESCENCE (OSL) AG...]()
![(A) Simplified tectonics of the region around the Korean Peninsula. (B) Geo...]()
![OxCal (one-event) model based on the 14 C dates presented in Table 1 , pl...]()
![Maps of (a) the final V S 30 , (b) topography, and (c) geology produced ...]()
![(A) Geologic map of the study area showing the <span class="search-highlight">fault</span> contact between the A-...]()
![Map of Korea showing seismic stations (solid squares) and epicenters (open ...]()
![Focal mechanism solutions of selected events from the Gyeongju earthquake s...]()
1-20 OF 97 RESULTS FOR
Yangsan Fault
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Journal Article
Evidence for large Holocene earthquakes along the Yangsan fault in the SE Korean Peninsula revealed in three-dimensional paleoseismic trenches
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 25 July 2024
GSA Bulletin (2025) 137 (1-2): 427–446.
...Sambit Prasanajit Naik; Thomas K. Rockwell; Su-Ho Jeong; Young-Seog Kim; Hyeon-Cho Shin; Jeong-Heon Choi; Sangmin Ha; Moon Son Abstract The Yangsan fault is the most prominent NNE-SSW–striking active right-lateral strike-slip fault crossing the Korean Peninsula, with a continuous trace of ~200 km...
FIGURES
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Image
Yangsan Fault System in the southeastern part of Korea and geological map o...
in CHARACTERISTICS OF CLAY MINERALS IN GOUGES OF THE DONGRAE FAULT, SOUTHEASTERN KOREA, AND IMPLICATIONS FOR FAULT ACTIVITY
> Clays and Clay Minerals
Published: 01 April 2000
Figure 1. Yangsan Fault System in the southeastern part of Korea and geological map of the study area in the Dongrae fault. Symbols: D: Dongrae fault, E: Eonyang fault, I: Ilkwang fault, U: Ulsan fault, and Y: Yangsan fault.
Journal Article
Insights of fault activities through 3-D shape preferred orientation and illite age analysis
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 13 December 2024
GSA Bulletin (2024)
... fault activation history by conducting systematic fabric observations, X-ray diffraction analysis, 3-D shape preferred orientation (SPO) analysis, and illite age analysis (IAA) on fault gouge affected by brittle deformation in the Yeonghae area of the Yangsan fault in the southeastern part of the Korean...
Journal Article
Spatiotemporal Distribution of Events during the First Three Months of the 2016 Gyeongju, Korea, Earthquake Sequence
Publisher: Seismological Society of America
Published: 14 November 2017
Bulletin of the Seismological Society of America (2018) 108 (1): 210–217.
...Minkyung Son; Chang Soo Cho; Jin Soo Shin; Hyun‐Me Rhee; Dong‐Hoon Sheen Abstract The 2016 Gyeongju earthquakes, including the M L 5.8 earthquake of 12 September 2016 (the largest earthquake recorded since instrumental recording began in South Korea in 1905), occurred around the Yangsan fault...
FIGURES
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Journal Article
Regional strike slip in the eastern continental margin of Korea and its tectonic implications for the evolution of Ulleung Basin, East Sea (Sea of Japan)
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 January 1995
GSA Bulletin (1995) 107 (1): 83–97.
...S. H. Yoon; S. K. Chough Abstract Air-gun profiles delineate a large-scale strike-slip fault system along the eastern continental margin of Korea. This system comprises two right-stepping curvilinear master faults (Hupo and Yangsan faults) that are closely associated with en echelon nominal faults...
Image
(A) 30 m Advanced Land Observing Satellite (ALOS) digital elevation model (...
in Evidence for large Holocene earthquakes along the Yangsan fault in the SE Korean Peninsula revealed in three-dimensional paleoseismic trenches
> GSA Bulletin
Published: 25 July 2024
Figure 3. (A) 30 m Advanced Land Observing Satellite (ALOS) digital elevation model (DEM) shows the central segment trace of the Yangsan fault along with recent paleoseismic studies along this segment. ALOS DEM data were taken from ALOS World 3D - 30 m (AW3D30) provided by the Earth Observation
Journal Article
Earthquake Source Mechanism and Rupture Directivity of the 12 September 2016 M w 5.5 Gyeongju, South Korea, Earthquake
Publisher: Seismological Society of America
Published: 25 September 2017
Bulletin of the Seismological Society of America (2017) 107 (5): 2525–2531.
...YoungHee Kim; XiaoHui He; SiDao Ni; Hobin Lim; Sun‐Cheon Park Abstract Two earthquakes ( M w 5.1 and 5.5) ruptured branches of the Yangsan fault system in Gyeongju, South Korea, on 12 September 2016. Aftershocks, including a notable M w 4.3 earthquake on 19 September 2016, were clustered around...
FIGURES
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Includes: Supplemental Content
Journal Article
CHARACTERISTICS OF CLAY MINERALS IN GOUGES OF THE DONGRAE FAULT, SOUTHEASTERN KOREA, AND IMPLICATIONS FOR FAULT ACTIVITY
Journal: Clays and Clay Minerals
Publisher: Clay Minerals Society
Published: 01 April 2000
Clays and Clay Minerals (2000) 48 (2): 204–212.
...Figure 1. Yangsan Fault System in the southeastern part of Korea and geological map of the study area in the Dongrae fault. Symbols: D: Dongrae fault, E: Eonyang fault, I: Ilkwang fault, U: Ulsan fault, and Y: Yangsan fault. ...
FIGURES
| View All (6)
Journal Article
Deep Fault Plane Revealed by High‐Precision Locations of Early Aftershocks Following the 12 September 2016 M L 5.8 Gyeongju, Korea, Earthquake
Publisher: Seismological Society of America
Published: 12 December 2017
Bulletin of the Seismological Society of America (2018) 108 (1): 517–523.
...‐existing weak zone in a strike‐slip duplex that formed from subsidiary Riedel shears beneath the Yangsan fault system may have been reactivated to nucleate the mainshock and aftershocks. 27 March 2017 © Seismological Society of America A significant earthquake of M L 5.8...
FIGURES
| View All (5)
Includes: Supplemental Content
Journal Article
Miocene tectonic evolution of the basins and fault systems, SE Korea: dextral, simple shear during the East Sea (Sea of Japan) opening
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 30 April 2015
Journal of the Geological Society (2015) 172 (5): 664–680.
... the pull-apart model for the East Sea opening. However, they indicate that the NNW-striking faults such as the Yeonil Tectonic Line acted as the principal displacement zones rather than the NNE-striking Yangsan Fault under a consistent dextral simple shear. At about 16 Ma, the collision of the Philippine...
FIGURES
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Journal Article
Attenuation of High-Frequency P and S Waves in the Crust of Southeastern South Korea
Publisher: Seismological Society of America
Published: 01 December 2001
Bulletin of the Seismological Society of America (2001) 91 (6): 1867–1874.
...Tae-Woong Chung; Haruo Sato Abstract The seismicity of the Yangsan fault in southeastern S. Korea has received increasing attention recently because the fault lies in an industrial area. For this fault region, we first measured \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage...
FIGURES
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Image
EARTHQUAKE MAGNITUDE ESTIMATES USING THE TOTAL LENGTH OF THE CENTRAL SEGMEN...
in Evidence for large Holocene earthquakes along the Yangsan fault in the SE Korean Peninsula revealed in three-dimensional paleoseismic trenches
> GSA Bulletin
Published: 25 July 2024
TABLE 3. EARTHQUAKE MAGNITUDE ESTIMATES USING THE TOTAL LENGTH OF THE CENTRAL SEGMENT OF THE YANGSAN FAULT*
Image
QUARTZ OPTICALLY STIMULATED LUMINESCENCE (OSL), K-FELDSPAR pIRIR 225 , AND ...
in Evidence for large Holocene earthquakes along the Yangsan fault in the SE Korean Peninsula revealed in three-dimensional paleoseismic trenches
> GSA Bulletin
Published: 25 July 2024
TABLE 1. QUARTZ OPTICALLY STIMULATED LUMINESCENCE (OSL), K-FELDSPAR pIRIR 225 , AND 14 C AGES OBTAINED FROM FAULT-PARALLEL AND FAULT-PERPENDICULAR TRENCHES, CENTRAL SEGMENT OF YANGSAN FAULT, KOREAN PENINSULA
Image
DOSIMETRY, EQUIVALENT DOSES, AND OPTICALLY STIMULATED LUMINESCENCE (OSL) AG...
in Evidence for large Holocene earthquakes along the Yangsan fault in the SE Korean Peninsula revealed in three-dimensional paleoseismic trenches
> GSA Bulletin
Published: 25 July 2024
TABLE 2. DOSIMETRY, EQUIVALENT DOSES, AND OPTICALLY STIMULATED LUMINESCENCE (OSL) AGES OF THE SAMPLES FROM THE CENTRAL SEGMENT OF YANGSAN FAULT, KOREAN PENINSULA
Image
(A) Simplified tectonics of the region around the Korean Peninsula. (B) Geo...
in Evidence for large Holocene earthquakes along the Yangsan fault in the SE Korean Peninsula revealed in three-dimensional paleoseismic trenches
> GSA Bulletin
Published: 25 July 2024
; Naik et al., 2022 ). (C) Topographic Landsat Thematic Mapper (TM) satellite image map of SE Korea showing the distribution of the major geological faults along with the Yangsan and Ulsan faults, which are the two major active faults in Korea. In addition, the map shows the extent of the southern
Image
OxCal (one-event) model based on the 14 C dates presented in Table 1 , pl...
in Evidence for large Holocene earthquakes along the Yangsan fault in the SE Korean Peninsula revealed in three-dimensional paleoseismic trenches
> GSA Bulletin
Published: 25 July 2024
Figure 10. OxCal (one-event) model based on the 14 C dates presented in Table 1 , placing the most likely timing of the most recent surface-rupturing earthquake (MRE) on the central Yangsan fault between the second to fourth century CE. OSL—optically stimulated luminescence.
Image
Maps of (a) the final V S 30 , (b) topography, and (c) geology produced ...
in Shear-wave velocity map for Pohang Basin, South Korea, based on the P-wave seismogram method
> Earthquake Spectra
Published: 01 August 2022
in (a). F1: anonymous fault; F2: anonymous fault; F3: anonymous fault; F4: Heunghae fault; F5: Gokgang fault; F6: Hyeongsan fault; F7: W.B.F. (the western border fault of the Pohang Basin); F8: Yangsan fault.
Image
(A) Geologic map of the study area showing the fault contact between the A-...
in Evidence for large Holocene earthquakes along the Yangsan fault in the SE Korean Peninsula revealed in three-dimensional paleoseismic trenches
> GSA Bulletin
Published: 25 July 2024
the distribution of alluvial fan surfaces, fluvial deposits, and traces of the Yangsan fault along with the trench locations considered in the present study (modified from Song et al., 2020 ; Ha et al., 2022 ).
Image
Map of Korea showing seismic stations (solid squares) and epicenters (open ...
in Attenuation of High-Frequency P and S Waves in the Crust of Southeastern South Korea
> Bulletin of the Seismological Society of America
Published: 01 December 2001
Figure 1. Map of Korea showing seismic stations (solid squares) and epicenters (open circles) of 121 earthquakes used in this study, as well as the Yangsan fault systems. Solid line represents the main fault, and dashed lines are subfaults: symbols I, O, U, and T show the Miryang fault
Image
Focal mechanism solutions of selected events from the Gyeongju earthquake s...
in Deep Fault Plane Revealed by High‐Precision Locations of Early Aftershocks Following the 12 September 2016 M L 5.8 Gyeongju, Korea, Earthquake
> Bulletin of the Seismological Society of America
Published: 12 December 2017
of smaller earthquakes at the northern and southern tips of the area, showing slightly different strikes, are represented in yellow. Inset shows a potential generating mechanism with a geometry similar to the orientation of faults in the area. YSF, Yangsan fault.
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